Finding the Fourth Proportional to 160,103,449.44, 220,942,949.12 and 86,764,591.44
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Solution
The fourth proportional to 160,103,449.44, 220,942,949.12 and 86,764,591.44 is: 119,735,238.55
Step by Step Solution
- Step 1: Write the proportion equation
160,103,449.44 : 220,942,949.12 = 86,764,591.44 : x - Step 2: Convert to fraction form
160,103,449.44/220,942,949.12 = 86,764,591.44/x - Step 3: Cross multiply
160,103,449.44x = 220,942,949.12 × 86,764,591.44 - Step 4: Simplify right side
160,103,449.44x = 19,170,024,711,945,508 - Step 5: Solve for x
x = 19,170,024,711,945,508/160,103,449.44 - Step 6: Final answer
x = 119,735,238.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.